BEIJING, Feb 27 (Reuters) - China Evergrande chairman Hui Ka Yan's ex-wife has filed a lawsuit against her son Peter Xu to return more than HK$1 billion ($127.81 million) of loans, Hong Kong media, including Chinese-language newspaper, Mingpao reported on Tuesday.

According to a writ submitted to a Hong Kong court on Monday, Ding Yumei lent the loans to Xu in June 2020. ($1 = 7.8243 Hong Kong dollars) (Reporting by Clare Jim, Ella Cao and Ethan Wang, Editing by Louise Heavens)